Process for dyeing synthetic fibrous materials from organic...

Details Process for dyeing synthetic fibrous materials from organic... Process for dyeing synthetic fibrous materials from organic...

D - Textiles, Paper

06

P

8/27.8

D06P 1/18 (2006.01) C09B 29/08 (2006.01) D06P 1/02 (2006.01)

Patent

CA 1050709

PROCESS FOR DYEING SYNTHETIC FIBROUS MATERIALS FROM ORGANIC SOLVENTS Abstract of the Disclosure Process for the continuous dyeing of textile materials which consist of, or contain synthetic fibres from organic solvents, wherein the said textile materials are impregnated with an organic dyeing liquor which contains at least one dyestuff of the formula Image in which R represents alkyl from 1 to 8 carbon atoms, X1 and X2 each represents hydrogen, chlorine, bromine, lower alkyl, lower alkoxy, trifluoromethyl or nitro, R1 represents hydrogen, chlorine, bromine, alkyl from 1 to 4 carbon atoms, alkoxy from 1 to 4 carbon atoms, R2 represents hydrogen, chlorine, bromine, alkyl from 1 to 4 carbon atoms, alkoxy from 1 to 4 carbon atoms, acetylamino or benzoylamino, R3 and R4 each represents hydrogen, alkyl, hydroxyalkyl, cyanoalkyl, alkoxyalkyl, alkylcarbonylalkyl, alkyl- carbonyl-hydroxyalkyl, alkoxycarbonylalkyl, phenyl or phenylalkyl, alkyl and alkoxy each containing from 1 to 4 carbon atoms, and subsequently exposed to a heat treatment.

201939

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